3D Printable Human Heart Model with stackable slices, short axis view in Heart 38 0 Posted March 24 This stackable heart with short-axis slices was 3D printed for a customer with strong red plastic. We printed and shipped directly to him. The print turned out great! The stackable slices really allow the internal anatomy of the heart to be seen: atria, ventricles, papillary muscles, etc. We can 3D print for you too! Just click the 3D Print button on the top of this page. To learn more about embodi3D's specialized medical 3D printing services, click here.